Wheat Breeding and Agronomic Practices: Current Status and Future Prospects

A special issue of Agronomy (ISSN 2073-4395).

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 838

Special Issue Editors


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Guest Editor
Faculty of Agriculture, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: genetics; breeding; cereals; legumes; quality; stresses; climatic change; low inputs

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Guest Editor
School of Geotechnical Sciences, Department of Agriculture, International Hellenic University, Sindos, 57400 Thessaloniki, Greece
Interests: agronomic use of plant genetic resources; abiotic stress; multienvironment field evaluation; cereals; legumes; medicinal and aromatic crops; crop physiology; cultivation systems; resource use efficiency; agro-biodiversity
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Department of Agriculture, University of Western Macedonia, 50100 Florina, Greece
Interests: sustainable agriculture; landraces; botany; crop physiology; climate change and agriculture; quality characteristics; stress physiology
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Special Issue Information

Dear Colleagues,

Generally, genotype–environment interaction (GEI) could be considered the differential response of genotypes to different cultivation environments. So, a genotype with superior performance to one environment could be inferior in another. GEI has contributed significantly to a significant yield increase (~10–50% in the last 50–80 years) for human consumption crops like maize, wheat, barley, etc., and could continue to contribute to increased productivity in the future. This Special Issue aims to exchange knowledge for the quantification, interpretation and detailed study of GEI using proper current tools and univariate/multivariate statistical models. This could: a) increase the genetic gain in plant breeding programs that become more international, b) make the selection of genotypes with wide adaptability less complicated and more effective, c) help in the recognition of the most relevant testing environments, d) contribute to the identification of erratic/special environments where genotypes with specific adaptability should be cultivated and e) help in the strategy that will be followed in the allocation of resources in a breeding program or farming system.

Dr. Ioannis G. Mylonas
Dr. Elissavet Ninou
Prof. Dr. Fokion Papathanasiou
Guest Editors

Manuscript Submission Information

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Keywords

  • durum wheat
  • bread wheat
  • adaptability
  • genetic gain
  • climate change

Published Papers (1 paper)

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Research

18 pages, 1087 KiB  
Article
Hydroponic Screening at Early Seedling Stage Identified Sources of Salinity Tolerance in Wheat (Triticum aestivum L.) Crop
by Zine El Abidine Fellahi, Tahar Boubellouta, Insaf Bentouati, Hadjer Safsaf, Abderrahmane Hannachi, Aleksandra O. Utkina and Nazih Y. Rebouh
Agronomy 2024, 14(5), 984; https://doi.org/10.3390/agronomy14050984 - 8 May 2024
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Abstract
Wheat is a vital crop globally, essential for agriculture, economics, and food security. However, in arid and semi-arid conditions, wheat production faces significant challenges due to low water availability, uneven rainfall distribution, and high soil salinity. The germination and early seedling stages are [...] Read more.
Wheat is a vital crop globally, essential for agriculture, economics, and food security. However, in arid and semi-arid conditions, wheat production faces significant challenges due to low water availability, uneven rainfall distribution, and high soil salinity. The germination and early seedling stages are particularly vulnerable to these stresses. Therefore, this study assessed 15 wheat genotypes for their tolerance to salinity stress during early growth stages, using a hydroponic system with four salt stress levels (0, 50, 100, and 150 mM NaCl). Significant differences were observed for genotype and salinity main effects and their interaction on all investigated traits, indicating considerable variability in the response to salt stress among the investigated wheat cultivars. High NaCl concentrations led to substantial reductions in measured parameters across genotypes, with some showing resilience while others exhibited heightened sensitivity. Stress tolerance indices, such as mean productivity (MP), geometric mean productivity (GMP), harmonic mean (HM), stress tolerance index (STI) and yield index (YI), were identified as reliable indicators for selecting salt-tolerant wheat cultivars. Consequently, Sidi Okba (G11), Ziad (G12), Tamezghida (G13) and Zidane (G14) emerged as the most promising, displaying acceptable performance under both non-stress and salt-stress conditions. These genotypes could serve as valuable genetic resources for breeding programs aimed at enhancing wheat’s salinity tolerance, particularly in arid and semi-arid regions. Full article
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